Tadeusz Pelczynski

Tadeusz Pelczynski (14 February 1892-3 January 1985) was Chief-of-Staff of the Home Army of Poland from July 1941 to October 1944.

Biography
Tadeusz Pelczynski was born on 14 February 1892 in Sanniki, Congress Poland, Russian Empire. He served in the Polish Legion of Austria-Hungary after serving as a medic in the German Empire's army during World War I, and after the war he served in the military of an independent country of Poland. Before the start of World War II, he told the United Kingdom and France about the Enigma code of Nazi Germany, helping in their victory in the oncoming war. During World War II, Pelczynski served as Chief-of-Staff of the Home Army during the war of resistance against Nazi Germany's occupation of Poland, but he was captured at the end of the failed 1944 Warsaw Uprising. After the war, Pelczynski moved to London in England, where he died in 1985.